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Home › Lexus › 2003 › IS 300 Base, Automatic › Repair and Diagnosis › Body & Frame › Door Locks › Engine Immobilizer › Self-Diagnostic System › Retrieving Diagnostic Trouble Codes › Using Hand-Held Tester

Using Hand-Held Tester

  1. Prepare the hand-held tester.
  2. Connect the hand-held tester to the DLC3. See Figure.
  3. Turn the ignition switch ON and push the hand-held tester main switch ON.
  4. Use the hand-held tester to check the DTCs and freeze frame data, note them down. (For operating instructions, see the hand-held tester instruction book).
  5. See DIAGNOSTIC TROUBLE CODE INDEX  table to confirm the details of the DTCs.
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